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Pentel Floatune rollerball refill — smooth, consistent ink flow with minimal pressure. Smooth-flowing rollerball ink Easy twist-in installation Compatible with Pentel Floatune retractable rollerball pens Models: ZRN4 (0.4mm), ZRN5 (0.5mm) Made in Japan
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🇺🇸 Ship from USA · On Agora since 2026
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